Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dong hoc tra slippers" » "dong co tra slippers", "dong luc tra slippers", "dong hoc thai slippers", "dong hoc tren slippers", "dong hoc than slippers", "dong hoc tra slippery", "dong hoc tra grippers"
"locating bug code snippets" » "locating bung code snippets", "locating bugs code snippets", "locating bug core snippets"

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (((("dong hoc tra slippers") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dong hoc tra slippers") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dong hoc tra slippers ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dong hoc tra slippers") or ("python using java snippets"))) or ("locating bug code snippets"))*.